<template>
  <a-card :loading="cardLoading" :bordered="false" style="height: 100%;">
    <a-spin :spinning="loading">
      <a-input-search
        @search="handleSearch"
        style="width:100%;margin-top: 10px"
        placeholder="输入机构名称查询..."
        allowClear
        enterButton
      />

      <a-tree
        showLine
        checkStrictly
        :expandedKeys.sync="expandedKeys"
        :selectedKeys="selectedKeys"
        :dropdownStyle="{maxHeight:'200px',overflow:'auto'}"
        :treeData="treeDataSource"
        @select="handleTreeSelect"
      />
    </a-spin>
  </a-card>
</template>

<script>
import { queryDepartTreeList, searchByKeywords } from "@/api/api";

export default {
  name: "AddressListLeft",
  props: ["value"],
  data() {
    return {
      cardLoading: true,
      loading: false,
      treeDataSource: [],
      selectedKeys: [],
      expandedKeys: []
    };
  },
  created() {
    this.queryTreeData();
  },
  methods: {
    queryTreeData(keyword) {
      this.commonRequestThen(
        queryDepartTreeList({
          departName: keyword ? keyword : undefined
        })
      );
    },

    handleSearch(value) {
      if (value) {
        this.commonRequestThen(searchByKeywords({ keyWord: value }));
      } else {
        this.queryTreeData();
      }
    },

    handleTreeSelect(selectedKeys, event) {
      if (selectedKeys.length > 0 && this.selectedKeys[0] !== selectedKeys[0]) {
        this.selectedKeys = [selectedKeys[0]];
        let orgCode = event.node.dataRef.orgCode;
        this.emitInput(orgCode);
      }
    },

    emitInput(orgCode) {
      this.$emit("input", orgCode);
    },

    commonRequestThen(promise) {
      this.loading = true;
      promise
        .then(res => {
          if (res.success) {
            this.treeDataSource = res.result;
            // update-begin- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
            // 默认选中第一条数据、默认展开所有第一级
            // if (res.result.length > 0) {
            //   this.expandedKeys = []
            //   res.result.forEach((item, index) => {
            //     if (index === 0) {
            //       this.selectedKeys = [item.id]
            //       this.emitInput(item.orgCode)
            //     }
            //     this.expandedKeys.push(item.id)
            //   })
            // }
            // update-end- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
          } else {
            this.$message.warn(res.message);
            console.error("组织机构查询失败:", res);
          }
        })
        .finally(() => {
          this.loading = false;
          this.cardLoading = false;
        });
    }
  }
};
</script>

<style scoped>
</style>